diff --git a/pkgs/os-specific/darwin/apple-source-releases/hfs/default.nix b/pkgs/os-specific/darwin/apple-source-releases/hfs/default.nix
index 134994002ee..ab294b143d3 100644
--- a/pkgs/os-specific/darwin/apple-source-releases/hfs/default.nix
+++ b/pkgs/os-specific/darwin/apple-source-releases/hfs/default.nix
@@ -2,7 +2,7 @@
 
 appleDerivation {
   installPhase = lib.optionalString headersOnly ''
-    mkdir -p $out/include
-    cp core/*.h $out/include
+    mkdir -p $out/include/hfs
+    cp core/*.h $out/include/hfs
   '';
 }